Izquierdo-Roca, V.; Fontane, X.; Alvarez-Garcia, J.; Calvo-Barrio, L.; Perez-Rodriguez, A.; Morante, J.R.; Ruiz, C.M.; Saucedo, E.; Bermudez, V. "Electrochemical synthesis of CuIn (S,Se)2 alloys with graded composition for high efficiency solar cells" Applied Physics Letters 94, 6, pp. - 2009 DOI: 10.1063/1.3080654